Bug 399886

SUMMARY
When returning to a parent folder, more than one folder is selected

STEPS TO REPRODUCE
A folder with 3 folders (a,b,c) and different kind of files (/home/1/) (actually it is inside a windows partition, inside "my documents" folder)
The current view is Detailed view mode, with preview icons enabled
Open one of the folders (/home/1/a/), an empty folder
Return one level using "Go back" button on dolphin, backspace or equivalent mouse button
Once dolphin shows the original folder (/home/1/), all three folders are selected, but not once in the process those folders were selected
if I open b, a folder with files and folders, upon return to '1' via the previous explained methods only b and c are selected

Killing the dolphin process and reopening the affected folder still reproduces the behavior
The affected folder was used recently, files copied to and from.
I could not reproduce the behavior in other folders in the same drive

EXPECTED RESULT
Upon returning to a parent folder only the child folder should be selected


SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.13.5
KDE Frameworks Version: 5.50.0
Qt Version: 5.11.2

I've deleted files without noticing because of that, in a situation where I wanted to delete just one folder.
Please change the severity according to what fits the bug better, its my first report here.